# A056876 (b-file synthesized from sequence entry)
1 1
2 0
3 0
4 2
5 6
6 0
7 184
8 936
9 6688
10 0
11 420480
12 4298664
13 44405142
14 0
15 6732621476
16 92014579912
17 1345077232898
18 0
19 349174373111790
20 6179276762966832
21 114913276077265202
22 0